Gnar Runners

Gnar Runners events are designed to promote enthusiasm and passion for the sport of mountain, trail and ultrarunning in and around the beautiful mountains of Northern Colorado.

Whether you are leading the charge at the front of the field, playing host in the middle of the pack or chasing course cut-offs, our dirt-based races are geared towards helping you achieve your off-road running goals in stunning outdoor environments.

While we seek to create challenging courses on as much gnar-filled terrain as we can reasonably find, we also guarantee impeccably marked courses, bountiful aid stations and a post-race atmosphere to remember.

Led by Gnar Team members, multiple options to preview most (or all) of the Quad Rock course with a potluck BBQ after the run!

Also, most Saturdays leading up to the Quad Rock 50m/25m, Fort Collins Trail Runners will continue to organize training runs on the race course. This Saturday, join us for the annual March Mileage Madness circumnavigation of Horsetooth Reservoir – 21-34mi.

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Gnar Gnight @ Altitude Running

Wednesday, April 3 – join us at 6p for a run from the store, followed by a casual social hour to learn more about the course, meet with the race directors and previous finishers, and get all your ultra and trail running questions answered. Mark your calendars, and watch our Facebook page for more details.

Please take this SURVEY on your trail/running gear needs to help Altitude Running better understand and stock the kinds of products you’d like to see in the store. As a token of their appreciation, Altitude will be offering 20% off everything in store at the April 3 event.

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New 2019 Start Time

If you have run Quad Rock in the past, please pay special attention – we have shifted this year’s 25 mile start time an hour earlier (7:00am). This is to keep more runners out of the heat of the day and reduce crowding during the park’s busiest time.

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Soldier Canyon Construction

The start/finish area may have some changes this year. Lory State Park is constructing a new pavilion in Soldier Canyon, which may or may not be ready on race day. We will still start and finish at Soldier Canyon, but may need to move the main setup to the back circle, east of the start line. Stay tuned for details.

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Wet Route

In the event trail conditions are wet/muddy on race day, we do have an approved alternate course. It is 95% similar to our main route; it just avoids the most easily damaged sections of the course (valley trails). We’ll make sure to update you on race week if it looks like the alternate may come into play.

We’re looking for fun, friendly folks to join us as volunteers for the race. If you have friends or family coming who’d be interested, or you have to withdraw but still want to be part of the event, we’d love to have you as part of the crew!